Biological Oceanography - Ecology

The term that refers to living factors within the environment.

Tags

NGSS.MS-LS2-2

The term that refers to nonliving factors within the environment.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Match the following vocabulary terms with their correct description.

• Competition

• Occurs when species struggle for resources such as food, shelter or a mate.

• Mutualism

• Occurs when both species benefit.

• Parasitism

• Occurs when one species benefits and the other is harmed.

• Commensalism

• Occurs when one species benefits and the other is unaffected.

Tags

NGSS.MS-LS2-2

Barnacles often live on the backs of whales. The whales do not feel them, but the barnacles get a place to live and water is actively pushed over them to bring food into their body cavity. What type of symbiotic relationship is this?

• Mutualism

• Commensalism

• Parasitism

• Competition

In the coral reef, groupers recruit moray eels to help them hunt for small organisms in the dark crevices. What type of symbiotic relationship is this?

• Mutualism

• Commensalism

• Parasitism

• Competition

What type of competition is it if two sea urchins are struggling against each other for food?

The largest size population size that can be sustained in with the given number of resources is called__

• Limiting resources

• Carrying capacity

• Interspecific competition

• Natural selection

Tags

NGSS.MS-LS2-4

True or False: Limiting resources can decrease the growth rate of a population.

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which scientist orignally explained the process of natural selection?

​ (a)   organisms live in the water column, while ​ (b)   organisms live at the ocean bottom.

• Pelagic
• benthic